Summary
The mixed finite element method for the linear elasticity problem is considered. We propose a systematic way of designing methods with optimal convergence rates for both the stress tensor and the displacement. The ideas are applied in some examples.
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Stenberg, R. On the construction of optimal mixed finite element methods for the linear elasticity problem. Numer. Math. 48, 447–462 (1986). https://doi.org/10.1007/BF01389651
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DOI: https://doi.org/10.1007/BF01389651